Fixes and adjustments

Moves a few things around in the armory again, tasers back in lockers,
guns in officer access area of the armory. Re-adds the tacknife after it
was lost in the hydro merge, gives EMTs access to medical lockers.

code/modules/hydroponics/trays/tray_tools.dm

@@ -248,6 +248,15 @@
 	icon_state = "unathiknife"
 	attack_verb = list("ripped", "torn", "cut")
 
+/obj/item/weapon/hatchet/tacknife
+	name = "tactical knife"
+	desc = "You'd be killing loads of people if this was Medal of Valor: Heroes of Nyx."
+	icon = 'icons/obj/weapons.dmi'
+	icon_state = "tacknife"
+	item_state = "knife"
+	attack_verb = list("stabbed", "chopped", "cut")
+
+
 /obj/item/weapon/scythe
 	icon_state = "scythe0"
 	name = "scythe"